Oceans 4th Grade Review

What are the three motions of the ocean?

• continental shelf, continental rise, continental slope
• waves, tides, currents

Surface currents are caused by ___________.

• temperature and salinity
• wind

Tags

NGSS.MS-ESS2-6

The Gulf Stream is a ______________ current.

• surface
• deep ocean

Tags

NGSS.MS-ESS2-6

Rainfall and river runoff cause the salinity to _________________. 

• increase
• decrease

TRUE or FALSE
Ocean salinity is greater when there is ice formation and evaporation.

• TRUE
• FALSE

Tags

NGSS.MS-ESS2-4

• continental rise
• continental slope

• trench
• seamount

Tags

NGSS.MS-ESS2-2

What provides most of the Earth's oxygen?

• air
• phytoplankton

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

• tides
• currents

Tags

NGSS.MS-ESS2-6

TRUE or FALSE
As depth increases temperature also increases.

• TRUE
• FALSE